Resol type Phenol Formaldehyde (PF) (Liquid resin)

About Product :

Phenol formaldehyde resins (PF) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Used as the basis for Bakelite, PFs were the first commercial synthetic resins (plastics). They have been widely used for the production of molded products including billiard balls, laboratory countertops, and as coatings and adhesives. They were at one time the primary material used for the production of circuit boards but have been largely replaced with epoxy resins and fiberglass cloth, as with fire-resistant FR-4 circuit board materials.

Specifications :

  • Appearance : Reddish-brown liquid.
  • Viscosity at 30°C, cps : 40 - 100
  • Solids content at 3h/105°C, % : 44 - 46
  • Specific gravity at 30°C : 1.18 - 1.25
  • pH at 30°C : 12.0 - 14.5
  • Gel time at boiling water (Reactivity) : 15 – 30 minutes